linux-kernel - Re: [PATCH net-next v3 7/9] net: sunhme: Clean up mac address init

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Date:   Sat, 18 Mar 2023 10:03:44 +0100
From:   Simon Horman <simon.horman@...igine.com>
To:     Sean Anderson <seanga2@...il.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3 7/9] net: sunhme: Clean up mac address init

On Mon, Mar 13, 2023 at 08:36:11PM -0400, Sean Anderson wrote:
> Clean up some oddities suggested during review.
> 
> Signed-off-by: Sean Anderson <seanga2@...il.com>
> ---
> 
> (no changes since v2)
> 
> Changes in v2:
> - New
> 
>  drivers/net/ethernet/sun/sunhme.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
> index c2737f26afbe..1f27e99abf17 100644
> --- a/drivers/net/ethernet/sun/sunhme.c
> +++ b/drivers/net/ethernet/sun/sunhme.c
> @@ -2348,9 +2348,7 @@ static int find_eth_addr_in_vpd(void __iomem *rom_base, int len, int index, unsi
>  		p += 6;
>  
>  		if (index == 0) {
> -			int i;
> -
> -			for (i = 0; i < 6; i++)
> +			for (int i = 0; i < 6; i++)
>  				dev_addr[i] = readb(p + i);
>  			return 1;
>  		}
> @@ -2362,9 +2360,10 @@ static int find_eth_addr_in_vpd(void __iomem *rom_base, int len, int index, unsi
>  static void __maybe_unused get_hme_mac_nonsparc(struct pci_dev *pdev,
>  						unsigned char *dev_addr)
>  {
> +	void __iomem *p;
>  	size_t size;
> -	void __iomem *p = pci_map_rom(pdev, &size);
>  
> +	p = pci_map_rom(pdev, &size);
>  	if (p) {
>  		int index = 0;
>  		int found;
> @@ -2386,7 +2385,7 @@ static void __maybe_unused get_hme_mac_nonsparc(struct pci_dev *pdev,
>  	dev_addr[2] = 0x20;
>  	get_random_bytes(&dev_addr[3], 3);
>  }
> -#endif /* !(CONFIG_SPARC) */
> +#endif

Hi Sean,

I think this problem was added by patch 6/9,
so perhaps best to squash it into that patch.

Actually, I'd squash all these changes into 6/9.
But I don't feel strongly about it.

So in any case,

Reviewed-by: Simon Horman <simon.horman@...igine.com>

I will pause my review here (again!) because I need to go to a football match.